The TAS Trimmer 3.75" (Model 102) is designed to trim around pop-up and rotary sprinkler heads.  It works great with Buckner, Hunter, Rainbird, R.L. Nelson, Hardie/Richdell, K-Rain, Weathermatic and Toro.

The TAS Trimmer 4.5" (Model 108EBR) model is designed to trim around Rain Bird "Eagle Box Rotor" 351 heads. The 4.5" trimmer gives a 1/4" clearance when cutting around any 4.25" head. 

The TAS Trimmer 5.5H (Model 105E) is designed to trim around the Hunter I-90 and Rainbird R-50 sprinkler heads as well as 4.5" quick connect valves and 5" drain covers.

The TAS Trimmer 6.25" (Model 109) is designed to trim around the Toro 835B and DT34B heads. 

The TAS Trimmer 7" model (Model 101) is the original sprinkler head trimmer for trimming around 6" valve box covers and sprinkler head donuts.  It can also be used to trim sprinkler heads that measure 6.5" - 6.75".

 The TAS Trimmer 7.5" (Model 106H) was originally designed to trim Hunter 860 through 880 series sprinkler heads. Today it works with many other types of heads that measure 7.25" in diameter. 

The TAS Trimmer 7.75" (Model 107H) is designed to trim around the Hunter 900 & 950 series heads as well as John Deere D75/D85 and D70/D100 heads. 

The TAS Trimmer 8" (Model 103) works great on Hunter G-90 and G-95 Rotary Heads, Rainbird series 900, Toro 650 through 780 series and Bear 870. 

The TAS Trimmer 8.5" (Model 103E) works great on Rainbird 950 rotary heads and any 8.25" sprinkler heads. 

The TAS Trimmer 10.25" (Model 104) works great on Toro 690 rotary heads plus 9" and 10" valve box covers.