Stihl Parts +3 STIHL 20'' 3/8 CHAIN SAW CHAIN CHISEL SQUARE TOOTH CHAIN 33RS 72E $26.99 In stock Quantity: 1 Add to Bag Product Details THIS IS A 20'' 3/8 STIHL CHAIN SAW CHAIN. ITS A CHISEL SQUARE TOOTH CHAIN . IT WILL CUT FASTER THEN THE ROUND CHAIN . TO KEEP IT GOOD AND SHARP CHECK OUT THE TIMBERLINE CHIN SAW SHARPER. Save this product for later Favorite